An element have 5 electrons in its M shell
• Write its electronic configuration
• Find its atomic number
• Find the number of protons
• Find the number of electron
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Explanation:
No. of electrons in the M shell of element X = 5. By electronic configuration before going to the M shell the shells K and L should be completely filled. ... So, the atomic number of the element X is 15 because 2 + 8 + 5 = 15.
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Answer:
The symbols used for writing the electron configuration start with the shell number (n) followed by the type of orbital and finally the superscript indicates how many electrons are in the orbital. For example: ... So Oxygen's electron configuration would be O 1s22s22p4.
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